TY - JOUR TI - Relation between fragmented QRS and collateral circulation in patients with chronic total occlusion without prior myocardial infarction AU - Kadı, H. AU - Ceyhan, K. AU - Koç, F. AU - Çelik, A. AU - Önalan, O. JO - The Anatolian Journal of Cardiology PY - 2011 VL - 11 SP - 300 EP - 304 DO - 10.5152/akd.2011.079 ER -